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Antenna verticale homemade per auto


Antenna verticale homemade per auto
Inserire l'induttanza di raccorciamento a meta', o meglio oltre la meta',alla base l'induttanza e' minore, la corrente e' molto elevata e per ridurre le perdite c'e da usare filo molto grosso
post 30 Jun 2024


Antenna HF Portable Links

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HF vertical portable for 20mt
Si tratta come da titolo di una canna da pesca lunga m.4,5 utilizzata in 20 e 40 m

Kite Drachens mobil 80m Bandes
The Cody - kite may also be used to generate Kite Arial Photographies (KAP) from heights far up in the sky

Marittime mobile dilole V 40mt
Adapt the dimensions according to the dimensions of the boat respecting the basic lengths 1/2 lambda

Hi-Q-Antennas for HF Ham Radio Mobile Operation


Linear-loaded-short-dipole-21mhz

Linear loaded short dipole 21Mhz For my amateur radio activities on the HF bands I only have a 3.6 m wide balcony available for antennas. After some study I decided to experiment with a shortened dipole for the 15 m band

Rx antennas 4Square Rx Vertical Array

Rx antennas 4Square Rx Vertical Array My frequency design of 1.825 MHz a 90 degrees line would be 33,70 metersinstead of the previously calculated 33,27 m

A simple SWR Meter is to be used at HF

A simple SWR Meter is to be used at HF An SWR meter provides information about how well matched is your antenna with the transmitter and how well power is being radiated